US6253887B1 - Method and system for braking a vehicle - Google Patents

Method and system for braking a vehicle Download PDF

Info

Publication number
US6253887B1
US6253887B1 US09/317,423 US31742399A US6253887B1 US 6253887 B1 US6253887 B1 US 6253887B1 US 31742399 A US31742399 A US 31742399A US 6253887 B1 US6253887 B1 US 6253887B1
Authority
US
United States
Prior art keywords
brake
retarder
operating element
detected
threshold value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US09/317,423
Inventor
Peter Frank
Werner Reichelt
Gerhard Scheible
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Assigned to DAIMLERCHRYSLER AG reassignment DAIMLERCHRYSLER AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FRANK, PETER, SCHEIBLE, GERHARD, REICHELT, WERNER
Application granted granted Critical
Publication of US6253887B1 publication Critical patent/US6253887B1/en
Assigned to DAIMLER AG reassignment DAIMLER AG CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: DAIMLERCHRYSLER AG
Anticipated expiration legal-status Critical
Assigned to DAIMLER AG reassignment DAIMLER AG CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NO. 10/567,810 PREVIOUSLY RECORDED ON REEL 020976 FRAME 0889. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF NAME. Assignors: DAIMLERCHRYSLER AG
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/3255—Systems in which the braking action is dependent on brake pedal data
    • B60T8/3275—Systems with a braking assistant function, i.e. automatic full braking initiation in dependence of brake pedal velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/58—Combined or convertible systems
    • B60T13/585—Combined or convertible systems comprising friction brakes and retarders

Definitions

  • the invention first relates to a method and apparatus of braking a vehicle by means of at least a service brake and a retarder brake, in which the brake pedal velocity is detected, and a control device increases the applied brake pressure if the brake pedal velocity exceeds a definable triggering threshold value.
  • a method and apparatus of this generic type for actively assisting a driver in emergency situations (known as a “brake assist”) is disclosed, for example, in German journal ATZ Automobiltechnische Zeitschrift 99 (1997), 6, Page 330, and on.
  • This brake assist utilizes the recognition that, on average, brake pedal velocities in emergency braking situations are higher by a factor 3 than in all other braking operations. The detection of the brake pedal velocity therefore permits a simple and reliable recognition of such a situation.
  • the control unit in coordination with an anti-lock brake system, increases the brake pressure as a function of the brake pedal velocity, to achieve optimal utilization of the vehicle braking potential for each driver, even in emergency braking situations.
  • a retarder brake which can be operated by a separate operating element, and which is constructed, for example, as an eddy current brake or as a hydraulic brake.
  • the driver first uses the no-wear retarder brake for braking the vehicle.
  • the retarder brake is often operated in parallel to the service brake. It was found that, when the retarder brake and the service brake, which can be operated by the brake pedal, are operated simultaneously, the brake pedal is clearly operated more hesitantly than when only the service brake is operated. As the result of such a faulty operation of the vehicle by the driver, which is inappropriate for the situation, the technically existing deceleration potential of the vehicle is not fully utilized.
  • the brake assist can be activated at a lower pedal velocity even when the retarder brake is operated simultaneously, in a manner which technically is easy to implement.
  • the faulty operation of the vehicle by the driver which has been observed in many simulator tests (and which consists of the fact that, if the retarder brake is operated, drivers of a utility vehicle or of a tour bus step less hard and less fast onto the brake pedal of the service brake) can be counteracted in a particularly advantageous manner.
  • the retarder brake is operated by means of a lever arranged on the steering wheel. Accordingly, in an advantageous embodiment of the invention, either the operating path of such a retarder lever is detected, or the control signal for the retarder triggering is detected.
  • the activation threshold and the limit value of the operating path of the retarder lever are advantageously determined, for example, by simulation tests.
  • An advantageous embodiment provides that the activation threshold is reduced by 20% to 40% (preferably by 30%) when the operating path exceeds a limit value of 67% of the maximal operating path.
  • the invention also provides a device for braking a vehicle by means of a service brake and a retarder brake, having a sensor for detecting the brake pedal velocity and having a control unit which increases the brake pressure if the detected brake pedal velocity exceeds a definable triggering value.
  • the invention provides a system which is technically simple.
  • the control unit determines and emits a control signal for brake pressure which results in an optimal deceleration of the vehicle.
  • another sensing device detects the position of an operating element of the retarder brake, and provides a signal to the control device, which can reduce the triggering threshold value if the position of the operating element exceeds a limit value.
  • this arrangement requires only one additional sensor for detecting the operation of the operating element of the retarder brake.
  • the signal supplied by this sensor can be processed in the control unit of the brake assist, which is already present, and can therefore virtually be displaced to the “program level”.
  • the operating element is a retarder lever, and that the additional sensing device detects the lever path of the retarder lever.
  • FIG. 1 is a schematic view of a system according to the invention for braking a vehicle
  • FIG. 2 is a schematic flow chart of a method according to the invention for braking a vehicle.
  • a sensor 21 detects the velocity v B of a brake pedal 20 , which is supplied to a control unit 10 in a manner which is known per se, and described, for example, in the German journal ATZ Automobiltechnische Zeitschrift 99 (1997), 6, Page 330-339.
  • a vehicle speed v F is detected by a speed indicator 30 and supplied to the control unit 10 , also in a manner known per se.
  • the utility vehicle also has a so-called retarder brake; that is, a wear-resistant brake, which may be constructed, for example, as an eddy current brake or a hydraulic brake.
  • This retarder brake is operated by a retarder lever 40 which is provided on a steering wheel 50 of a vehicle together with other operating levers, such as a turn signal lever 60 or a lever 61 for an automatic cruise control.
  • the retarder lever 40 is pulled down as illustrated in FIG. 1 by the arrow A, for example, in defined steps 1 , 2 , 3 , 4 , 5 in which the retarder lever engages slightly in each case.
  • Another sensing device 41 which detects the retarder lever path s R , is arranged on the retarder lever 40 .
  • the output signal of the sensor 41 is also supplied to the control unit 10 .
  • the control signal for the retarder brake may also be supplied to the control unit 10 .
  • the triggering threshold value S for the activation of the brake assist BA is reduced in the control unit 10 , so that a lower brake pedal velocity v B is sufficient to cause the control unit 10 to carry out a braking operation with increased brake pressure when the retarder brake is operated by pulling the retarder lever 40 .
  • FIG. 2 A method for braking a vehicle with a service brake and a retarder brake by means of the system illustrated in FIG. 1 is illustrated in FIG. 2 .
  • step S 2 If the vehicle is now braked in a step S 2 by means of the service brake, v B >0.
  • the retarder lever 40 is exceeding a defined limit value G, that is, whether S R >G. If so, in step S 4 , the triggering threshold value S of the brake assist for increasing the brake pressure p is reduced by the control unit 10 (for example, by 30%).
  • step S 5 it is examined whether the brake pedal velocity v B is higher than the triggering threshold value (v B >S). If so, the brake pressure p is increased in step S 6 and the brake assist BA is active. If not, however, the brake pressure p remains unchanged and the brake assist BA is inactive, as illustrated in step S 7 .
  • step S 8 If, on the other hand, the lever path S R is below the limit value G, the triggering threshold value S remains unchanged (step S 8 ). Also in this case, it is examined in step S 9 whether the brake pedal velocity is higher than the triggering threshold value S (v B >S). If so, the brake pressure p is increased in step S 6 , as described above, and the brake assist BA is active. If not, however, the brake pressure p remains unchanged and the brake assist BA is inactive (step S 10 ). As illustrated by the above-described sequence of the method, the brake assist is activated if the lever path s R is smaller than the limit value G as well as if the lever path s R is larger than the limit value G. However, in the latter case, the triggering threshold value S is reduced (for example, by 30%) relative to the former case, so that the brake assist BA is activated earlier; that is, the brake pressure p for the control device 10 is increased earlier.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Braking Arrangements (AREA)

Abstract

In a method and apparatus for braking a vehicle by means of at least a service brake and a retarder brake, the brake pedal velocity (vB) is detected and the brake pressure is increased by a control device (10) if the pedal velocity exceeds a definable activation threshold value (S). In addition, the position of an operating element of the retarder brake is detected, and the activation threshold value (S) is reduced if the position of the operating element exceeds a definable limit value (G).

Description

BACKGROUND AND SUMMARY OF THE INVENTION
This application claims the priority of German patent document 198 22 860.0, filed May 22, 1998, the disclosure of which is expressly incorporated by reference herein.
The invention first relates to a method and apparatus of braking a vehicle by means of at least a service brake and a retarder brake, in which the brake pedal velocity is detected, and a control device increases the applied brake pressure if the brake pedal velocity exceeds a definable triggering threshold value.
A method and apparatus of this generic type for actively assisting a driver in emergency situations (known as a “brake assist”) is disclosed, for example, in German journal ATZ Automobiltechnische Zeitschrift 99 (1997), 6, Page 330, and on. This brake assist utilizes the recognition that, on average, brake pedal velocities in emergency braking situations are higher by a factor 3 than in all other braking operations. The detection of the brake pedal velocity therefore permits a simple and reliable recognition of such a situation. The control unit, in coordination with an anti-lock brake system, increases the brake pressure as a function of the brake pedal velocity, to achieve optimal utilization of the vehicle braking potential for each driver, even in emergency braking situations.
In addition to the service brake, utility vehicles also have a retarder brake, which can be operated by a separate operating element, and which is constructed, for example, as an eddy current brake or as a hydraulic brake. In most cases, the driver first uses the no-wear retarder brake for braking the vehicle. When an emergency situation occurs, the retarder brake is often operated in parallel to the service brake. It was found that, when the retarder brake and the service brake, which can be operated by the brake pedal, are operated simultaneously, the brake pedal is clearly operated more hesitantly than when only the service brake is operated. As the result of such a faulty operation of the vehicle by the driver, which is inappropriate for the situation, the technically existing deceleration potential of the vehicle is not fully utilized.
It is therefore an object of the invention to provide an improved method and apparatus for braking a vehicle by means of a service brake and a retarder brake of the above-mentioned type, which achieves optimal use of the technically possible deceleration potential of the vehicle when the service brake and the retarder brake are operated simultaneously.
These and other objects and advantages are achieved by the method and apparatus according to the invention, in which the position of an operating element of the retarder brake is detected and the activation threshold value is reduced when the position of the operating element exceeds a definable limit value.
By detecting the position of the operating element of the retarder brake and reducing the activation threshold of the brake pressure when this position exceeds a definable limit value, the brake assist can be activated at a lower pedal velocity even when the retarder brake is operated simultaneously, in a manner which technically is easy to implement. As the result, the faulty operation of the vehicle by the driver which has been observed in many simulator tests (and which consists of the fact that, if the retarder brake is operated, drivers of a utility vehicle or of a tour bus step less hard and less fast onto the brake pedal of the service brake) can be counteracted in a particularly advantageous manner.
In most cases, the retarder brake is operated by means of a lever arranged on the steering wheel. Accordingly, in an advantageous embodiment of the invention, either the operating path of such a retarder lever is detected, or the control signal for the retarder triggering is detected.
The activation threshold and the limit value of the operating path of the retarder lever are advantageously determined, for example, by simulation tests. An advantageous embodiment provides that the activation threshold is reduced by 20% to 40% (preferably by 30%) when the operating path exceeds a limit value of 67% of the maximal operating path.
The invention also provides a device for braking a vehicle by means of a service brake and a retarder brake, having a sensor for detecting the brake pedal velocity and having a control unit which increases the brake pressure if the detected brake pedal velocity exceeds a definable triggering value. In this manner, the invention provides a system which is technically simple. When the service brake and the retarder brake are operated simultaneously, the control unit determines and emits a control signal for brake pressure which results in an optimal deceleration of the vehicle. For this purpose, another sensing device detects the position of an operating element of the retarder brake, and provides a signal to the control device, which can reduce the triggering threshold value if the position of the operating element exceeds a limit value.
It is particularly advantageous that this arrangement requires only one additional sensor for detecting the operation of the operating element of the retarder brake. The signal supplied by this sensor can be processed in the control unit of the brake assist, which is already present, and can therefore virtually be displaced to the “program level”.
It is preferably provided that the operating element is a retarder lever, and that the additional sensing device detects the lever path of the retarder lever.
Other objects, advantages and novel features of the present invention will become apparent from the following detailed description of the invention when considered in conjunction with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic view of a system according to the invention for braking a vehicle; and
FIG. 2 is a schematic flow chart of a method according to the invention for braking a vehicle.
DETAILED DESCRIPTION OF THE DRAWINGS
Referring to FIG. 1, in a system for braking a vehicle according to the invention, a sensor 21 detects the velocity vB of a brake pedal 20, which is supplied to a control unit 10 in a manner which is known per se, and described, for example, in the German journal ATZ Automobiltechnische Zeitschrift 99 (1997), 6, Page 330-339. In addition, a vehicle speed vF is detected by a speed indicator 30 and supplied to the control unit 10, also in a manner known per se.
In addition to the service brake to be operated by the brake pedal 20, the utility vehicle also has a so-called retarder brake; that is, a wear-resistant brake, which may be constructed, for example, as an eddy current brake or a hydraulic brake. This retarder brake is operated by a retarder lever 40 which is provided on a steering wheel 50 of a vehicle together with other operating levers, such as a turn signal lever 60 or a lever 61 for an automatic cruise control. To operate the retarder brake, the retarder lever 40 is pulled down as illustrated in FIG. 1 by the arrow A, for example, in defined steps 1, 2, 3, 4, 5 in which the retarder lever engages slightly in each case.
Another sensing device 41, which detects the retarder lever path sR, is arranged on the retarder lever 40. The output signal of the sensor 41 is also supplied to the control unit 10. Alternatively, the control signal for the retarder brake may also be supplied to the control unit 10.
As a function of the movement of the retarder lever 40 along the lever path sR, or of the control signal for the retarder brake, the triggering threshold value S for the activation of the brake assist BA is reduced in the control unit 10, so that a lower brake pedal velocity vB is sufficient to cause the control unit 10 to carry out a braking operation with increased brake pressure when the retarder brake is operated by pulling the retarder lever 40.
In the case of a simultaneous operation of the retarder brake and of the brake pedal 20 by the driver (in other words, already at a lower brake pedal velocity), a conclusion is drawn concerning an emergency braking situation in which the braking operation is aided by the brake assist in that the control unit increases the brake pressure.
A method for braking a vehicle with a service brake and a retarder brake by means of the system illustrated in FIG. 1 is illustrated in FIG. 2. In the starting situation (step S1), no braking operation takes place; that is, neither the braking pedal 20 nor the retarder lever 40 are operated, so that vB=0 and sR=0. If the vehicle is now braked in a step S2 by means of the service brake, vB>0. As soon as this occurs, it is queried in step S3 whether the retarder lever 40 is exceeding a defined limit value G, that is, whether SR>G. If so, in step S4, the triggering threshold value S of the brake assist for increasing the brake pressure p is reduced by the control unit 10 (for example, by 30%).
In the subsequent step S5, it is examined whether the brake pedal velocity vB is higher than the triggering threshold value (vB>S). If so, the brake pressure p is increased in step S6 and the brake assist BA is active. If not, however, the brake pressure p remains unchanged and the brake assist BA is inactive, as illustrated in step S7.
If, on the other hand, the lever path SR is below the limit value G, the triggering threshold value S remains unchanged (step S8). Also in this case, it is examined in step S9 whether the brake pedal velocity is higher than the triggering threshold value S (vB>S). If so, the brake pressure p is increased in step S6, as described above, and the brake assist BA is active. If not, however, the brake pressure p remains unchanged and the brake assist BA is inactive (step S10). As illustrated by the above-described sequence of the method, the brake assist is activated if the lever path sR is smaller than the limit value G as well as if the lever path sR is larger than the limit value G. However, in the latter case, the triggering threshold value S is reduced (for example, by 30%) relative to the former case, so that the brake assist BA is activated earlier; that is, the brake pressure p for the control device 10 is increased earlier.
The foregoing disclosure has been set forth merely to illustrate the invention and is not intended to be limiting. Since modifications of the disclosed embodiments incorporating the spirit and substance of the invention may occur to persons skilled in the art, the invention should be construed to include everything within the scope of the appended claims and equivalents thereof.

Claims (5)

What is claimed is:
1. A method for braking a vehicle having at least a service brake actuated by a brake pedal for applying service brake pressure, and a retarder brake actuated by an operating element, said method comprising:
detecting an actuation velocity of the brake pedal for applying service brake pressure;
detecting the position of the operating element for the retarder brake;
a control unit increasing service brake pressure applied by the service brake if a detected actuation velocity of the brake pedal exceeds a predetermined activation threshold value; and
said control unit reducing the predetermined activation threshold value if a detected position of the operating element of the retarder brake exceeds a predetermined limit value.
2. Method according to claim 1, wherein in said second detecting step, movement along an operating path of a retarder lever arranged on the steering wheel is detected, or a control signal for retarder triggering is detected.
3. Method according to claim 2, wherein the activation threshold value is reduced by 20% to 40%, if a detected position of the operating element along the operating path exceeds a limit value of 67% of the maximal operating path.
4. Apparatus for braking a vehicle having a service brake actuated by a brake pedal for applying service brake pressure, and a retarder brake actuated by an operating element, said apparatus comprising:
a control unit;
a first sensing device for detecting brake pedal velocity when said brake pedal is actuated, and having an output supplied to the control unit; and
a second sensing device for detecting the position of an operating element of the retarder brake, and having an output supplied to the control device; wherein
the control unit increases service brake pressure applied by the service brake if a detected brake pedal velocity exceeds a predetermined activation threshold value; and
the control device reduces the predetermined activation threshold value if a detected position of the operating element exceeds a definable limit value.
5. System according to claim 4, wherein:
the operating element is a retarder lever; and
the second sensing device detects a position of the retarder lever along a lever path.
US09/317,423 1998-05-22 1999-05-24 Method and system for braking a vehicle Expired - Fee Related US6253887B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19822860A DE19822860C2 (en) 1998-05-22 1998-05-22 Method and device for braking a vehicle
DE19822860 1998-05-22

Publications (1)

Publication Number Publication Date
US6253887B1 true US6253887B1 (en) 2001-07-03

Family

ID=7868552

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/317,423 Expired - Fee Related US6253887B1 (en) 1998-05-22 1999-05-24 Method and system for braking a vehicle

Country Status (6)

Country Link
US (1) US6253887B1 (en)
JP (1) JP3185026B2 (en)
DE (1) DE19822860C2 (en)
FR (1) FR2778885B1 (en)
GB (1) GB2337567B (en)
IT (1) IT1309119B1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030000763A1 (en) * 1999-12-23 2003-01-02 Morgan Colling Control arrangement for a vehicle
US6584395B2 (en) * 2000-05-15 2003-06-24 Hitachi, Ltd. Vehicle running controller and vehicle
US20030160412A1 (en) * 2000-03-06 2003-08-28 Alain Constans Steering wheel actuated brake control
US20050263356A1 (en) * 2004-05-28 2005-12-01 Marzano Domenic P Selectively incrementally actuated linear eddy current braking system
CN108248582A (en) * 2018-02-13 2018-07-06 隆中控股集团股份有限公司 For the electric control braking method and computer storage media of automobile
US20200307676A1 (en) * 2019-03-26 2020-10-01 Ford Global Technologies, Llc Eddy Current Based Rotary Damper for Steer-by-Wire Feedback Actuator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE530039C2 (en) * 2006-05-26 2008-02-12 Scania Cv Abp System and method for controlling braking of a downhill motor vehicle

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4867288A (en) * 1987-05-20 1989-09-19 Csepel Autogyar Process for actuating a motor vehicle retarding brake controlled by an electrohydraulic valve system
DE4207965A1 (en) 1992-03-13 1993-09-16 Bosch Gmbh Robert VEHICLE BRAKE
US5357444A (en) * 1990-02-28 1994-10-18 Aisin Seiki Kabushiki Kaisha Retarding control apparatus which operates on the basis of signals such as a shift lever position signal
JPH0891188A (en) 1994-09-26 1996-04-09 Nissan Diesel Motor Co Ltd Auxiliary brake control device of vehicle
US5564797A (en) 1993-08-03 1996-10-15 Mercedes-Benz Ag Method for optimizing triggering of an automatic braking process
DE19642344A1 (en) 1996-10-14 1997-04-03 Voith Turbo Kg Adjustment of operating conditions of retarder braking stage on vehicle
JPH0995232A (en) 1995-09-29 1997-04-08 Aisin Seiki Co Ltd Braking liquid pressure controller for automobile

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4867288A (en) * 1987-05-20 1989-09-19 Csepel Autogyar Process for actuating a motor vehicle retarding brake controlled by an electrohydraulic valve system
US5357444A (en) * 1990-02-28 1994-10-18 Aisin Seiki Kabushiki Kaisha Retarding control apparatus which operates on the basis of signals such as a shift lever position signal
US5400251A (en) * 1990-02-28 1995-03-21 Aisin Seiki Kabushiki Kaisha Retarding control apparatus
DE4207965A1 (en) 1992-03-13 1993-09-16 Bosch Gmbh Robert VEHICLE BRAKE
US5564797A (en) 1993-08-03 1996-10-15 Mercedes-Benz Ag Method for optimizing triggering of an automatic braking process
JPH0891188A (en) 1994-09-26 1996-04-09 Nissan Diesel Motor Co Ltd Auxiliary brake control device of vehicle
JPH0995232A (en) 1995-09-29 1997-04-08 Aisin Seiki Co Ltd Braking liquid pressure controller for automobile
DE19642344A1 (en) 1996-10-14 1997-04-03 Voith Turbo Kg Adjustment of operating conditions of retarder braking stage on vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"ATZ Automobiltechnische Zeitschrift" 99 (1997) 6, pp. 330-339.

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030000763A1 (en) * 1999-12-23 2003-01-02 Morgan Colling Control arrangement for a vehicle
US6945349B2 (en) * 1999-12-23 2005-09-20 Scania Cv Ab (Publ) Control arrangement for a vehicle
US20030160412A1 (en) * 2000-03-06 2003-08-28 Alain Constans Steering wheel actuated brake control
US6584395B2 (en) * 2000-05-15 2003-06-24 Hitachi, Ltd. Vehicle running controller and vehicle
US20050263356A1 (en) * 2004-05-28 2005-12-01 Marzano Domenic P Selectively incrementally actuated linear eddy current braking system
US8727078B2 (en) * 2004-05-28 2014-05-20 Velocity Magnetics, Inc. Selectively incrementally actuated linear eddy current braking system
US9415693B2 (en) 2004-05-28 2016-08-16 Velocity Magnetics, Inc. Selectively incrementally actuated linear eddy current braking system
CN108248582A (en) * 2018-02-13 2018-07-06 隆中控股集团股份有限公司 For the electric control braking method and computer storage media of automobile
CN108248582B (en) * 2018-02-13 2023-10-27 隆中控股集团股份有限公司 Electric control braking method for automobile and computer storage medium
US20200307676A1 (en) * 2019-03-26 2020-10-01 Ford Global Technologies, Llc Eddy Current Based Rotary Damper for Steer-by-Wire Feedback Actuator
US11685424B2 (en) * 2019-03-26 2023-06-27 Ford Global Technologies, Llc Eddy current based rotary damper for steer-by-wire feedback actuator

Also Published As

Publication number Publication date
GB2337567A (en) 1999-11-24
DE19822860A1 (en) 1999-12-02
GB2337567B (en) 2000-04-05
GB9911776D0 (en) 1999-07-21
JP2000033865A (en) 2000-02-02
ITRM990323A1 (en) 2000-11-21
FR2778885B1 (en) 2001-08-31
JP3185026B2 (en) 2001-07-09
IT1309119B1 (en) 2002-01-16
FR2778885A1 (en) 1999-11-26
ITRM990323A0 (en) 1999-05-21
DE19822860C2 (en) 2002-08-08

Similar Documents

Publication Publication Date Title
JP3195761B2 (en) How to carry out automatic braking action
JP4435976B2 (en) Automobile steering assist method and apparatus
JP4185597B2 (en) Brake device for automobile
US8556353B2 (en) Brake device
US6626271B1 (en) Electrically controlled braking system and associated control method
US7845739B2 (en) Brake regulation system for motor vehicles
JP3025261B2 (en) Method and apparatus for generating operation signal of stop lamp for automobile
KR960000680A (en) Vehicle braking system
EP1167146A3 (en) ABS and/or anti-slip control system for vehicle
US6253887B1 (en) Method and system for braking a vehicle
JP2000351347A (en) Brake light controller
EP1388456A1 (en) An accelerator actuated emergency braking apparatus
US20100045101A1 (en) Deactivating a safety function by braking
US20010043010A1 (en) Braking force control system for vehicle
JPH0542862A (en) Inter-vehicle distance control device
JP2003519590A (en) Method for improving the steerability and / or running stability of a vehicle when traveling on a curve
US20030074126A1 (en) Anti-lock brake control method having adaptive entry criteria
EP3815994B1 (en) Control device and control method for controlling behavior of motorcycle
EP1526051B1 (en) Method, arrangement and computer program for controlling a hill hold brake
JP3018223B2 (en) Auxiliary brake control device for vehicle
JPH05213178A (en) Anti-lock braking device of vehicle
CN107433938A (en) Drive assistance device
KR100235050B1 (en) Method and apparatus of an automatic brake for an automobile
US20010035677A1 (en) Method and apparatus for controlling a braking system of a vehicle
JP4318932B2 (en) Auxiliary brake control device for vehicle

Legal Events

Date Code Title Description
AS Assignment

Owner name: DAIMLERCHRYSLER AG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FRANK, PETER;REICHELT, WERNER;SCHEIBLE, GERHARD;REEL/FRAME:010165/0994;SIGNING DATES FROM 19990603 TO 19990709

FEPP Fee payment procedure

Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

FPAY Fee payment

Year of fee payment: 4

AS Assignment

Owner name: DAIMLER AG, GERMANY

Free format text: CHANGE OF NAME;ASSIGNOR:DAIMLERCHRYSLER AG;REEL/FRAME:020976/0889

Effective date: 20071019

Owner name: DAIMLER AG,GERMANY

Free format text: CHANGE OF NAME;ASSIGNOR:DAIMLERCHRYSLER AG;REEL/FRAME:020976/0889

Effective date: 20071019

FPAY Fee payment

Year of fee payment: 8

REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Lapsed due to failure to pay maintenance fee

Effective date: 20130703

AS Assignment

Owner name: DAIMLER AG, GERMANY

Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NO. 10/567,810 PREVIOUSLY RECORDED ON REEL 020976 FRAME 0889. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF NAME;ASSIGNOR:DAIMLERCHRYSLER AG;REEL/FRAME:053583/0493

Effective date: 20071019